Structure of PDB 1rs9 Chain A Binding Site BS04

Receptor Information

>1rs9 Chain A (length=406) Species: 9913 (Bos taurus)

GPKFPRVKNWELGSITYDTLCAQSQQDGPCTPRRCLGSLVLPRPPAEQLL
SQARDFINQYYSSIKRSGSQAHEERLQEVEAEVASTGTYHLRESELVFGA
KQAWRNAPRCVGRIQWGKLQVFDARDCSSAQEMFTYICNHIKYATNRGNL
RSAITVFPQRAPGRGDFRIWNSQLVRYAGYRQQDGSVRGDPANVEITELC
IQHGWTPGNGRFDVLPLLLQAPDEAPELFVLPPELVLEVPLEHPTLEWFA
ALGLRWYALPAVSNMLLEIGGLEFSAAPFSGWYMSTEIGTRNLCDPHRYN
ILEDVAVCMDLDTRTTSSLWKDKAAVEINLAVLHSFQLAKVTIVDHHAAT
VSFMKHLDNEQKARGGCPADWAWIVPPISGSLTPVFHQEMVNYILSPAFR
YQPDPW

Ligand information

• Ligand ID: ZN
• InChI: InChI=1S/Zn/q+2
• InChIKey: PTFCDOFLOPIGGS-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Zn++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Zn+2]
• Formula: Zn
• Name: ZINC ION
• ChEMBL: CHEMBL1236970
• DrugBank: DB14532
• PDB chain: 1rs9 Chain B Residue 900

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1rs9 Structures of the neuronal and endothelial nitric oxide synthase heme domain with D-nitroarginine-containing dipeptide inhibitors bound.
• Resolution: 2.22 Å
• Binding residue (original residue number in PDB): C96 C101
• Binding residue (residue number reindexed from 1): C30 C35
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): C186 R189 W358 E363
• Catalytic site (residue number reindexed from 1): C110 R113 W282 E287
• Enzyme Commision number: 1.14.13.39: nitric-oxide synthase (NADPH).

Gene Ontology

Molecular Function

• GO:0004517 nitric-oxide synthase activity
• GO:0020037 heme binding

Biological Process

• GO:0006809 nitric oxide biosynthetic process

External links

• PDB: RCSB:1rs9, PDBe:1rs9, PDBj:1rs9
• PDBsum: 1rs9
• PubMed: 15122883
• UniProt: P29473|NOS3_BOVIN Nitric oxide synthase 3 (Gene Name=NOS3)